In order to the rising production costs, the subscription rates have been increased.
A. add up to
B. look up to
C. cut short
D. keep up with
网友回答
A. add up to
B. look up to
C. cut short
(答案→)D. keep up with
解析： 本题译文：为了跟上生产成本的上升，预定费已提高。 keep up with跟上。参阅。88注释。Add up to参阅.2注释；cut short 详见.38;look up to(=admire, respect)赞美，尊敬：We look up to the old workers as our teacher.（我们把这位老工人尊为我们的老师。）本题中rates意为“价格，费用”。